1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright 2014 Freescale Semiconductor, Inc.
4 */
5
6#include <linux/irqchip.h>
7#include <linux/of_platform.h>
8#include <linux/regmap.h>
9#include <linux/mfd/syscon.h>
10#include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
11#include <asm/mach/arch.h>
12
13#include "common.h"
14#include "cpuidle.h"
15
16static void __init imx6sx_enet_clk_sel(void)
17{
18	struct regmap *gpr;
19
20	gpr = syscon_regmap_lookup_by_compatible("fsl,imx6sx-iomuxc-gpr");
21	if (!IS_ERR(gpr)) {
22		regmap_update_bits(gpr, IOMUXC_GPR1,
23				   IMX6SX_GPR1_FEC_CLOCK_MUX_SEL_MASK, 0);
24		regmap_update_bits(gpr, IOMUXC_GPR1,
25				   IMX6SX_GPR1_FEC_CLOCK_PAD_DIR_MASK, 0);
26	} else {
27		pr_err("failed to find fsl,imx6sx-iomux-gpr regmap\n");
28	}
29}
30
31static inline void imx6sx_enet_init(void)
32{
33	imx6sx_enet_clk_sel();
34}
35
36static void __init imx6sx_init_machine(void)
37{
38	of_platform_default_populate(NULL, NULL, NULL);
39
40	imx6sx_enet_init();
41	imx_anatop_init();
42	imx6sx_pm_init();
43}
44
45static void __init imx6sx_init_irq(void)
46{
47	imx_gpc_check_dt();
48	imx_init_revision_from_anatop();
49	imx_init_l2cache();
50	imx_src_init();
51	irqchip_init();
52	imx6_pm_ccm_init("fsl,imx6sx-ccm");
53}
54
55static void __init imx6sx_init_late(void)
56{
57	imx6sx_cpuidle_init();
58
59	if (IS_ENABLED(CONFIG_ARM_IMX6Q_CPUFREQ))
60		platform_device_register_simple("imx6q-cpufreq", -1, NULL, 0);
61}
62
63static const char * const imx6sx_dt_compat[] __initconst = {
64	"fsl,imx6sx",
65	NULL,
66};
67
68DT_MACHINE_START(IMX6SX, "Freescale i.MX6 SoloX (Device Tree)")
69	.l2c_aux_val 	= 0,
70	.l2c_aux_mask	= ~0,
71	.init_irq	= imx6sx_init_irq,
72	.init_machine	= imx6sx_init_machine,
73	.dt_compat	= imx6sx_dt_compat,
74	.init_late	= imx6sx_init_late,
75MACHINE_END
76